August weather forecast
Rethimno, Greece

August, the last month of the summer in Rethimno, is also a moderately hot month, with an average temperature fluctuating between 21°C and 29°C.
An excellent water temperature of 25.9°C and 1mm of accumulated rainfall makes August a prime for swimming and other water activities.

Temperature

The arrival of August is marked by an average high-temperature of a warm 29°C, bearing a close resemblance to July. During August nights, Rethimno witnesses a consistent average temperature of 21°C.

Rainfall

The months with the least rainfall in Rethimno, Greece, are July and August with 1mm of accumulated rain.

Sea temperature

The month with the warmest seawater in Rethimno is August, with an average sea temperature of 25.9°C.
Note: In any water activity, temperatures between 25°C and 29°C are viewed as magnificent and exceptionally pleasant for prolonged enjoyment.

Daylight

The average length of the day in August in Rethimno is 13h and 28min.
On the first day of the month, sunrise is at 06:30 and sunset at 20:26. On the last day of August, sunrise is at 06:53 and sunset at 19:51 EEST.

Sunshine

June through August, with an average of 12h of sunshine, are months with the most sunshine in Rethimno.

UV index

In Rethimno, the average daily maximum UV index in August is 9. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In August, a regular UV index of 9 translates into these guidelines:
Always take safety measures. The skin and eyes are at risk if left exposed. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.